Model # LTX500U-A04

Internet #204356308

Lux 5-2 Day Universal Application Programmable Thermostat
0021079115006

Lux

5-2 Day Universal Application Programmable Thermostat

$32.75 /each

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Product Overview

The TX500U, a universal programmable thermostat that allows users to easily customize heating and cooling temperatures to meet their comfort levels and schedules. The TX500U can also save energy and reduce utility expenses by automatically lowering or raising temperature settings during off peak hours. Features include easy do it installation, easy to read display, filter change indicator, keyboard lockout any many other value added features for complete customer satisfaction.

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Price
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Name 5-2 Day Programmable Thermostat with Backlight 5-2 Day Universal Application Programmable Thermostat 7-Day Universal Application Programmable Thermostat 5-2 Day Programmable Thermostat with Backlight
Brand Honeywell Lux Lux Honeywell
Ratings (249) (22) (20) (251)
Features Backlit Display,Battery Operated,Filter Monitor,Low Battery Indicator Backlit Display,Battery Back-Up,Battery Operated,Filter Monitor,Lockable,Low Battery Indicator,Vacation Mode Backlit Display,Battery Back-Up,Battery Operated,Filter Monitor,Lockable,Low Battery Indicator,Vacation Mode Backlit Display,Battery Operated,Low Battery Indicator,Removable Interface
Thermostat Program Type 5 - 2 Day 5 - 2 Day 7 - Day 5 - 2 Day
Color Family Whites Whites Whites Whites
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Customer Questions & Answers

10 Questions14 Answers

Customer Questions & Answers

5-2 Day Universal Application Programmable Thermostat
5-2 Day Universal Application Programmable Thermostat

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2 answers

Older Gas baseboard heat

This question is from 5-2 Day Universal Application Programmable Thermostat
Asked by
Utica, ny
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July 29, 2016
I currently have a round dial to adjust the heat in 4 different zones. Can I install one of these in each zone with a gas heated, baseboard hot water system?
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August 16, 2016
Answer: 
Absolutely-just follow the instructions
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August 1, 2016
Answer: 
Yes, the TX500U will operate a 2 or 3 wire baseboard hot water system so it can be used. LUX Technical Support
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2 answers

do the heat surpose to be flashing

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November 10, 2015
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Asked by
Amarillo, Texas
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December 5, 2015
Answer: 
The word "HEAT" flashes when the furnace is running. When the furnace stops running it will still say "HEAT" but it will NOT flash.
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November 11, 2015
Answer: 
Sharon, the word heat will flash when the thermostat calls for the furnace to run. HEAT will flash until the room temperature exceeds the Set temperature, then flashing will stop and the heating unit will be off. This will be the same operation for cooling.
LUX Technical Support
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2 answers

Swing Feature or Not

This question is from 5-2 Day Universal Application Programmable Thermostat
Asked by
Texas
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March 23, 2015
I recently purchased a TX500U and according to the Lux website it has the swing temperature adjustment not cycle duration. It however does have cycle duration and this does not control temp. well at all with my heat pump. If I reorder the TX500U again which option will it have?
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Asked by
Amarillo, Texas
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December 5, 2015
Answer: 
The latest model (TX500Uc) that I bought last month has the Temperature Swing Control.
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March 25, 2015
Answer: 
Lux Customer,
I apologize that our product did not meet your expectations. We have received feedback from other customers as well that indicate that they prefer the swing feature. We have recently come out with a new version of the thermostat which includes the swing feature. This is strictly temperature based. It will no longer have the "cycle duration" feature. I would like to offer you a TX500UC at no
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Lux Customer,
I apologize that our product did not meet your expectations. We have received feedback from other customers as well that indicate that they prefer the swing feature. We have recently come out with a new version of the thermostat which includes the swing feature. This is strictly temperature based. It will no longer have the "cycle duration" feature. I would like to offer you a TX500UC at no charge as a customer courtesy. If you will email me your full name, address , and phone #, I will send one out to you. With this information , we hope that you will revise your ratings .
Thank You,
Lux Products Technical Support
techsupport@luxproducts.com
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2 answers

Dos Wall Plate WP567 come with the product?

This question is from 5-2 Day Universal Application Programmable Thermostat
Asked by
Indianapolis, IN
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February 20, 2015
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Asked by
Omaha, NE
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February 16, 2016
Answer: 
No
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February 23, 2015
Answer: 
Lux Customer,
The Wallplate WP567 does not come with product, It is available online only. Please visit our website at www.luxproducts.com and press "where to buy".
Thank You
Lux Technical Support
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Customer Reviews

Rated 4.3 out of 5 by 20 reviewers.
Rated 3.0 out of 5.0 by Is OK for the price The front cover is a little flimsy. Simple controls. Seems accurate. October 4, 2016
Rated 5.0 out of 5.0 by Lux is a quality product I previously had two Lux programmable thermostats for my heating and air conditioning units. So it was pretty easy to make the upgrade. The old ones were fourteen years old and one of them starting having some glitches so I replaced them both with these new ones which have better features, One of them being that they become illuminated when you touch one of the buttons and the characters are bigger and easier to read. They give you the tabs to label the wires-this is most important when installing. Programming is very simple. I am very satisfied with these thermostats. August 16, 2016
Rated 5.0 out of 5.0 by Excellent Thermostat The Lux TX500U is a very nice thermostat that can operate from furnace power as well as its own batteries. Most thermostats nowadays operate only on their batteries. When the batteries die your furnace doesn’t work so you can wake up one morning to a very cold house. For furnace power you need to connect the “C” wire at the furnace and at the thermostat. For three thermostat functions (Heat, Cool, and Auto/Fan) you need three wires plus R and C, for a total of five wires in the House Cable. If you don’t have five wires it can be a problem. I made an adapter (one at the furnace and one at the thermostat) that provides all three functions and furnace power with only four wires. It also provides a backchannel from the furnace to the thermostat. I use a phototransister looking at the Diagnostic LED on the furnace control board and send its status to an LED at the thermostat. This way, if something goes wrong with my furnace I don’t have to go into the attic (where my furnace is) to look at the Diagnostic LED. I also made a version that uses only three wires. These adapters can also be used with Wi-Fi thermostats. (Note the TX500E cannot work on furnace power.) March 22, 2016
Rated 5.0 out of 5.0 by Nice Thermostat The thermostat is easy to use and program. We like the fact that it displays BOTH the set temperature AND the current inside temperature. Many of the ones on the market do not!! June 2, 2016
Rated 5.0 out of 5.0 by Most affordable programmable thermostat available I purchased this new release of the TX500U for my rental property where I provide heating and cooling. The TX500U is probably the most affordable programmable thermostat on the market. Took about 15 minutes to install. I also added a Lux Products A773001 Large Locking Thermostat Guard to prevent my tenants from tempering with the thermostat. The TX500U is a great value and works great and I expect to save money on my utility expenses since the TX500U offers programming capability. November 17, 2014
Rated 5.0 out of 5.0 by Good for garage application. Using LUX TX-500Uc thermostat in my garage to maintain garage cool but above freezing, and facilitate a greater warm-up when wanted. Thermostat controls a 2-stage heater with 17K BTU / 5K watt on each stage. Thermostat allows good setup flexibility for minimum temp., temp. swing, and temp. offset to control 2-nd. stage. It's the only thermostat that I could find that met my needs to provide a low stage heating temp. control without kicking in the high stage heat unless demand was unusually high or manually switched on. December 29, 2015
Rated 5.0 out of 5.0 by Good Thermostat with Many Programmable Features This is a nice thermostat with many features not available on more name brand and expensive thermostats. It took me about 30 minutes to install. I especially like the swing feature (can set from 1 to 9 or +/- 0.25 to 2.25 degrees around the set temperature). My previous thermostat (not Lux) had a fixed (non-programmable) swing of 1.0 degrees and the furnace ran too often. Sometimes, the furnace would start running again in 2-3 minutes after it had just shut down. I set the Lux at 2 (+/- 0.5 degrees) around the set temperature as a starting point as that would be equivalent to my old thermostat's swing. The Lux works great at this setting and does not cycle my furnace frequently. I thought I would have to set the swing higher than 2 to reduce my furnace cycling but have not had to. The only issue I've had with this unit is that occasionally the room temperature will swing 1-2 degrees as I'm looking at the thermostat. This issue hasn't affected it's performance but it can be a little unnerving to watch. The screen is small compared to newer thermostats but the size is fine with me. Also, some reviewers have said the cover door is flimsy and the unit doesn't attach to the wall securely. If you use reasonable care in opening and closing the cover door it works fine. My unit is securely attached to the wall so there are no issues there. You need to ensure the wall is flat and the screw anchors in the wall are at least flush with the wall. February 16, 2016
Rated 4.0 out of 5.0 by replacement thermostat at home This Lux thermostat provided an important feature that many other more expensive thermostats do not have. That is an easily adjustable swing value. This allows for fewer on/off cycles and thereby increased efficiency of the gas heat, without degrading the comfort level. It can be finely tuned to your house. December 22, 2015
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